Service Area

East Northport
Cambridge Products

9 Brothers Building Supply is a premier dealer of East Northport Cambridge products. We have a comprehensive stock of Cambridge pavers and wall systems with many colors and sizes to chose from to create your dream outdoor spaces. Come to our Brentwood or Riverhead locations to check out their pre-assembled outdoor living products such as: fire pits/tables, outdoor fireplaces, outdoor kitchens, pergolas, pavilions, and more.

Service Area

All Authentic
East Northport Cambridge Products


We’ll help you through the process

Forklift Service

a mini crane service for tight or hard to reach delivery spots!

Delivery Service

with our fleet of ready to haul trucks anywhere on Long Island, NYC & 5 Boroughs

Consult Us

to build your dream backyard, driveway, landscape, pool, or patio!

Delivery across Long Island, NYC, and the 5 boroughs

Construction Site Delivery

Local Pickup

Home Delivery

Contractor & Local Business Deliveries

Send us a Message

Stop in or get in touch!

Plainview Building Supply

1670 Islip Ave. Brentwood, NY
11717 Phone: (631) 273-3323

Rockville Centre Building Supply

28 Mill Road Riverhead, NY
11901 Phone: (631) 208-1630


70 Comsewogue Rd SUITE 9 Setauket-East Setauket, NY 11733 Phone: (631) 928-4665